BI Server has some directoris (public, home etc.) in root directory, that is top level directory.

We can put files in the BI Server's root directory by "publication" of PRD. But, We can not remove these files because "publication" command of PRD does not have remove function, and PUC(Pentaho User Console) does not show the root directory's files.

How can we remove files in the top level directory (root directory) of BI Server ?